bug#17361: Tramp does not save history across sessions.

[Daimrod]

Michael Albinus <michael.albinus@gmx.de> writes:

> Daimrod <daimrod@gmail.com> writes:
>
>>> Wouldn't it be more consistent to modify `set-process-filter' and
>>> ´set-process-sentinel' to take care, when several filters or sentinels
>>> are added to a given process? Both functions could be equipped with an
>>> optional argument WHERE, which has the similar meaning as in
>>> `add-function'. Maybe just :before, :after and :replace shall be
>>> allowed, and one of them (:after?) could be the default.
>>
>> What about having a default sentinel/filter for all process that does
>> nothing (just a placeholder)?
>
> There are already `internal-default-process-filter' and
> `internal-default-process-sentinel'. They must be replaced, of course,
> when a new filter/sentinel is added.

Oh, I wasn't aware of those functions.

>> Then instead of using `set-process-filter' one could use
>> (add-function :whatever (process-filter process) ...)
>
> Nope. One would need to change all places those functions are called. I
> believe it is simpler to modify `set-process-filter' and
> `set-process-sentinel'.

I see. Thanks for the explanation.

-- 
Daimrod/Greg